20129+2913 A  1203BC

 
 
20h 12m 56.36s +29 12' 42.4" P.A. 355.00 sep 0.4 mag 11.00,11.80
 
 
Coord 2000
20129+2913
Discov num
A  1203
Comp
BC
Coord arcsec 2000
20 12 56.36 +29 12 42.4
Date first
1905
Date last
2007
Obs
5
Pa first
175
Pa last
355
P.A. Now (θ)
355°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.00
Mag sec
11.80
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
20129+2913 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88359 20129+2913 HJ 1492 A,BC 1828 2018 21 54 18.7 10.28 10.54 0.26
Show 88359 20129+2913 A 1203 BC 1905 2007 5 355 0.4 11.00 11.80 0.80 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.3
Precise sep
0.405
Constellation
Vulpecula
SAO
88359
Tycho2
2166-01089-1
HD
333849
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20129+2913 A 1203 BC 1979 4 4 0.4 11.00 11.80 201256.36+291242.4
20129+2913 A 1203 BC 2007 5 355 0.4 11.00 11.80 201256.36+291242.4

If you need more information about this double, apply for a data request form to the WDS.